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Pulse Motors are sometimes referred to as "Brushless DC Pulse Motors". They are identified by their electromagnetic components such as coils and reed switches or hall effect switches. Most use permanent magnets and are brushless.

I am experimenting with PPMMs, two of them build in the same way, they differ only by different numbers of turns on the windings and diameter of the wires.
Shot presentations of some of the experiments done until today are presented in my channel at
http://www.youtube.com/scienculo

I've performed a few dozens of tests with this machine where the windings were setup in different way. What was interesting in these tests were the stator coils connections.
First I connected only 3 stator coils to the powering circuit and the other 3 coils I used as an alternator. So in one case I had a motor and an alternator.
On this video you can see another connection, coils 1-4 are the motor and coils 2-3-5-6 are the alternator.
YouTube - scienculo's Channel